"subfactorial" meaning in English

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      "expansion": "sub- + factorial",
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  ],
  "etymology_text": "From sub- + factorial.",
  "forms": [
    {
      "form": "subfactorials",
      "tags": [
        "plural"
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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "The result of deranging a number. In equations, it is usually symbolised by an exclamation mark (!) before the number being deranged (as opposed to factorials, where the exclamation mark occurs after the number)."
      ],
      "id": "en-subfactorial-en-noun-ahPJPQC9",
      "links": [
        [
          "mathematics",
          "mathematics"
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          "combinatorics",
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        [
          "deranging",
          "derangement"
        ],
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          "factorials",
          "factorial"
        ]
      ],
      "raw_glosses": [
        "(mathematics, combinatorics) The result of deranging a number. In equations, it is usually symbolised by an exclamation mark (!) before the number being deranged (as opposed to factorials, where the exclamation mark occurs after the number)."
      ],
      "topics": [
        "combinatorics",
        "mathematics",
        "sciences"
      ],
      "wikipedia": [
        "subfactorial"
      ]
    }
  ],
  "word": "subfactorial"
}

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        "2": "sub",
        "3": "factorial"
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      "expansion": "sub- + factorial",
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    }
  ],
  "etymology_text": "From sub- + factorial.",
  "forms": [
    {
      "form": "subfactorials",
      "tags": [
        "plural"
      ]
    }
  ],
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        "The result of deranging a number. In equations, it is usually symbolised by an exclamation mark (!) before the number being deranged (as opposed to factorials, where the exclamation mark occurs after the number)."
      ],
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        [
          "mathematics",
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        ],
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      "raw_glosses": [
        "(mathematics, combinatorics) The result of deranging a number. In equations, it is usually symbolised by an exclamation mark (!) before the number being deranged (as opposed to factorials, where the exclamation mark occurs after the number)."
      ],
      "topics": [
        "combinatorics",
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  "word": "subfactorial"
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